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Table 2 Diagnosis of Mycoplasma pneumonia in 4532 adult patients with community acquired pneumonia

From: Mycoplasma pneumoniaepneumonia revisited within the German Competence Network for Community-acquired pneumonia (CAPNETZ)

Method Samples tested Samples with positive test result
PCR from respiratory material 1538 148 (9,6%)
   Sputum 1335 134 * (10,1%)
   Broncho-alveolar lavage 67 8 (11,9%)
   Others (Throat washings) 136 6** (4,4%)
IgM-Antibody EIA 4450 204 (4,6%)
IgA-Antibody EIA 4450 881 (19,8%)
IgG-Antibody EIA 4450 1042 (23,4%)
PCR from respiratory material + serum 1448  
PCR positive + IgM-antibody positive   46 (3.2%)
PCR positive + IgA-antibody positive   55 (3.7%)
PCR positive + IgG-antibody positive   69 (4.7%)
PCR from respiratory material + serum 1448  
PCR negative + IgM-antibody positive   31 (2.1%)
PCR negative + IgA-antibody positive   246 (17%)
PCR negative + IgG-antibody positive   272 (18.8%)
  1. * 5 samples were inhibited
  2. ** 2 samples were inhibited